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Finding the Fourth Proportional to 8,857,229.70, 13,285,844.55 and 8,073,408.90

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Solution

The fourth proportional to 8,857,229.70, 13,285,844.55 and 8,073,408.90 is: 12,110,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,229.70 : 13,285,844.55 = 8,073,408.90 : x
  2. Step 2: Convert to fraction form
    8,857,229.70/13,285,844.55 = 8,073,408.90/x
  3. Step 3: Cross multiply
    8,857,229.70x = 13,285,844.55 × 8,073,408.90
  4. Step 4: Simplify right side
    8,857,229.70x = 107,262,055,633,986.50
  5. Step 5: Solve for x
    x = 107,262,055,633,986.50/8,857,229.70
  6. Step 6: Final answer
    x = 12,110,113.35

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Double scale
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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.